function look(list, topic){
  plist=document.getElementById(list);
  ptopic=document.getElementById(topic);
  if(plist.style.display == "none") {
    plist.style.display = "block";
    ptopic.style.background = "#D0D0D0 no-repeat right top url(../mos/btn_hide.png)";
  }else{
    plist.style.display = "none";
    ptopic.style.background = "#D0D0D0 no-repeat right top url(../mos/btn_show.png)";
  }
}
function scratch_main(){
  pMain=document.getElementById("main_frame");
  pMain.style.bottom = "0pt";
}
function look_log(list, topic){
  pMain=document.getElementById("main_frame");
  pLog=document.getElementById("log_frame");
  plist=document.getElementById(list);
  ptopic=document.getElementById(topic);
  if(plist.style.display == "none") {
    ptopic.style.background = "#D0D0D0 no-repeat right top url(../mos/btn_show.png)";
    plist.style.display = "block";
    pMain.style.bottom = "200pt";
    pLog.style.height = "196pt";
  }else{
    plist.style.display = "none";
    ptopic.style.background = "#D0D0D0 no-repeat right top url(../mos/btn_hide.png)";
    pMain.style.bottom = "20pt";
    pLog.style.height = "18pt";
  }
}
